diff --git a/example6/webapp/requirements.txt b/example6/webapp/requirements.txt
index 5ef7b2c..8f48653 100644
--- a/example6/webapp/requirements.txt
+++ b/example6/webapp/requirements.txt
@@ -1,2 +1,2 @@
-Flask==0.12.2
+Flask==1.0
 uWSGI==2.0.15
\ No newline at end of file